Clean Water Act discharge permit · NPDES TXR1579RF

SHADOW CANYON, Helotes, TX: NPDES TXR1579RF discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

SHADOW CANYON, held by Bellwether Custom Homes, LLC, holds NPDES permit TXR1579RF, which discharges to Reyes Creek. EPA’s file records it issued June 20, 2024 and expiring March 4, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for SHADOW CANYON: its NPDES ID, its permit type and status, its dates, its address in Helotes, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1579RF.

Identity

Facility as filed	SHADOW CANYON
Permittee as filed	Bellwether Custom Homes, LLC
NPDES ID	TXR1579RF
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	June 20, 2024
Expiration date	March 4, 2028
Address	Helotes, TX 78023
Receiving water	REYES CREEK
Subwatershed	Lower Culebra Creek (HUC 121003020404)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1579RF.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1579RF.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TXR1579RF there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

SHADOW CANYON, the Storm Water Construction general permit coverage held by Bellwether Custom Homes, LLC in Helotes, Texas, is one of 1,788 such permits on EPA's NPDES register in Bexar County. Among the 43 NPDES permits in the Lower Culebra Creek subwatershed, this one is counted alongside its neighbors in that watershed. Of the 1,787 storm water construction permits in Bexar County, 22.4% carry an earlier issue date than this one, and 0.2% of the 1,788 county permits have a violation on file, while SHADOW CANYON itself has no pollutants under a numeric limit and no effluent exceedances.